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Batteriezelle, Batteriezellenstapel und Hochvoltbatterie

Resumen de: DE102024104784A1

Die Erfindung betrifft eine Batteriezelle (10) für eine Hochvoltbatterie, insbesondere zur Verwendung in einem Elektrofahrzeug, mit einem Innenraum (12) und einem Gehäuse (14), wobei das Gehäuse (14) den Innenraum (12) umschließt, und mit mindestens einem Hüllkörper (30), wobei der Hüllkörper (30) eine Außenfläche (15) des Gehäuses (14) zumindest teilweise umhüllt. Der Hüllkörper (30) ist netzförmig oder gitterförmig mit Stegen (37) und Ausnehmungen (35) zwischen den Stegen (37) ausgebildet, wobei die Stege (37) unmittelbar an der Außenfläche (15) des Gehäuses (14) anliegen und die Ausnehmungen (35) die Außenfläche (15) des Gehäuses (14) freigeben.

Temperiereinrichtung und Batterieanordnung mit einer solchen Temperiereinrichtung

Resumen de: DE102024104672A1

Die Erfindung betrifft eine Temperiereinrichtung (1) für eine Batterieanordnung (2), umfassend einen mit Temperierfluid (14) zu versorgendes Temperiersystem (3), einen mit dem Temperiersystem (3) unmittelbar fluidisch verbundener Ausgleichsbehälter (4), ein Einwegventil (5) zur Einstellung eines Gasdrucks innerhalb des Ausgleichsbehälters (4), ein Entlüftungsventil (6) zur Entlüftung des Temperiersystems (3), und ein Druckventil (7) zur Realisierung eines konstanten Gasdruckniveaus innerhalb des Ausgleichsbehälters (4), wobei der Ausgleichsbehälter (4) derart am Temperiersystem (3) angeordnet ist, dass ein maximaler Füllstand (8) des Ausgleichsbehälters (4) unterhalb eines maximalen Füllstandes (9) des Temperiersystems (3) liegt. Ferner betrifft die Erfindung eine Batterieanordnung (2), umfassend eine solche Temperiereinrichtung (1).

THERMAL REGULATION SYSTEMS AND METHODS OF USING THE SAME

Resumen de: US2025262985A1

Thermal regulation systems, apparatus, and methods for regulating the temperature of a battery and/or other components of an electrically-powered system. The thermal control system can include a passive valve in communication with to two or more fluid pathways, a first pump, and a second pump. In some examples, a position of a shuttle within a housing of the passive valve can be controlled based on a ratio of a first pressure generated by the first pump to a second pressure generated by the second pump. In some examples, a position of a shuttle within a housing of the passive valve can be controlled based activating one of the first pump or the second pump while the other pump is inactive.

POWER SUPPLY SYSTEM, ELECTRIC MOVING BODY, CHARGER, AND ENERGIZATION CONFIRMATION METHOD

Resumen de: US2025262942A1

A switch in one power storage pack is turned ON and when all of a plurality of voltages respectively measured by voltage measurement units in all power storage packs including the switch that has been turned ON indicate energization, it is determined that the current state is normal, and when a voltage indicating energization is measured by the voltage measurement unit in the one power storage pack including the switch that has been turned ON and a voltage indicating de-energization is measured by the voltage measurement unit in a power storage pack other than the one power storage pack including the switch that has been turned ON, it is determined that there is an anomaly in a power line for a power storage pack included in a plurality of power storage packs.

Traction Battery Controller Employing Representative-Difference Battery Model

Resumen de: US2025262978A1

A system, such as an electrified vehicle, includes a battery, such as a traction battery. The battery includes cells each having a state. The system further includes a controller that controls the charging and discharging of the battery according to a state of the battery derived at least in part from (i) the state of a first cell and (ii) a difference of the state of a second cell with the state of the first cell.

BATTERY MONITORING METHOD, RECORDING MEDIUM, AND BATTERY MONITORING SYSTEM

Resumen de: US2025262983A1

A battery monitoring method includes acquiring monitoring data of a secondary battery, identifying a degradation factor based on the acquired monitoring data, and setting a usage condition of the secondary battery based on a degradation factor of the secondary battery.

MODULAR ELECTRONIC COMPONENT ENCLOSURE

Resumen de: US2025262927A1

Aspects of the subject disclosure relate to an enclosure for one or more electrical components for a battery pack. The enclosure may be configured to mechanically and electrically couple to an energy volume of the battery pack. The enclosure may include an access panel. The access panel may be formed from a solid insulating structure configured to at least partially cover the one or more electrical components, and a conductive layer on a surface of the solid insulating structure. The enclosure may be a modular enclosure that can be used to provide electrical connection to any of various energy volumes including batteries or battery cells of any of various cell chemistries.

BATTERY CELLS AND BATTERY MODULES

Resumen de: US2025266531A1

Disclosed are battery cells and battery modules including a battery cell. The battery cells and battery modules are capable of releasing a high-temperature/high-pressure gas if thermal runaway occurs in a battery cell so as to protect other battery cells. The battery module includes a battery cell including a safety vent on a top surface thereof, a case configured to accommodate the battery cell, and an insulating cover disposed on a top surface of the battery cell and including a section disposed on the safety vent, wherein the section includes a notch.

NEGATIVE ELECTRODE MATERIAL FOR LITHIUM ION SECONDARY BATTERY, NEGATIVE ELECTRODE FOR LITHIUM ION SECONDARY BATTERY, AND LITHIUM ION SECONDARY BATTERY

Resumen de: US2025266453A1

This negative electrode material for a lithium ion secondary battery may include a composite particle, a silicon carbide layer, and a coating layer. The composite particle may include amorphous carbonaceous particles and amorphous silicon particles having an average primary particle size of 1 nm or more and 50 nm or less. The silicon carbide layer may be located between the composite particle and the coating layer. A film thickness of the silicon carbide layer may be 1 nm or more and 100 nm or less. The coating layer may include a compound of magnesium or fluorine.

POWER SUPPLY DEVICE

Resumen de: US2025266521A1

A battery unit includes: a connecting portion electrically connectable to an electrical apparatus in which the battery unit is mounted; a cell that allows supply of electric power to the electrical apparatus; a relay that switches between a conductive state in which a power supply line between the connecting portion and the cell is electrically connected and an interrupt state in which the power supply line is electrically interrupted; a first notification device that operates, when being supplied with electric power, to allow an operating state to be recognized from outside; and a first supply source that supplies electric power to the first notification device when the first supply source is connected to the first notification device and the relay is in the conductive state.

FOLDED SHEET CASING

Resumen de: US2025266535A1

A casing (100, 201, 202, 300) containing at least one electrode jelly roll assembly, wherein the casing comprises a folded sheet (110, 210, 310), defining a first open end portion (113) and a second open end portion (114) arranged on opposite sides of the casing. The folded sheet comprises a first sheet edge (111, 211) and a second sheet edge (112, 212) wherein the first sheet edge and the second sheet edge extend from the first open end portion to the second open end portion. The casing further comprises a joining plate (120, 220, 320) arranged to join at least a part of the first sheet edge and the second sheet edge, such that the folded sheet and the joining plate form a closed profile of the casing. Moreover, the casing comprises an interlocking structure (250) configured to secure the joining plate and the folded sheet.

FLEXIBLE LITHIUM-SULFUR BATTERIES

Resumen de: US2025266572A1

High performance flexible lithium-sulfur flexible energy storage devices include a flexible lithium metal anode for an energy storage device comprising an electrically conducting fabric functionalised with a 3D hierarchical MnO2 nanosheet lithiophilic material; a flexible graphene/sulfur cathode protected by a FBN/G interlayer; and a flexible separator for an energy storage device, wherein the separator comprises one or more microporous films of Li ion selective permeable polyolefin material wherein at least a portion of the pores of the film are associated with nanoporous polysulfone polymer positioned between the anode and the cathode.

TEMPERATURE CONTROL METHOD, APPARATUS AND DEVICE FOR BATTERY PACK, AND NEW ENERGY VEHICLE

Resumen de: AU2024260743A1

The present application relates to the technical field of new energy vehicles, in particular to a temperature control method, apparatus and device for a battery pack, and a new energy vehicle. The temperature control method for a battery pack comprises: acquiring the maximum temperature value and the minimum temperature value in a battery pack; performing comparison to determine whether the difference between the maximum temperature value and the minimum temperature value is greater than a design threshold, and whether the maximum temperature value is greater than or equal to a first tolerable temperature threshold of the battery pack; and if so, starting a compressor, a first water pump and a stop valve, so that the first water pump drives a cooling liquid to enter inside the battery pack, and heat exchange is performed between a refrigerant of a cooler and heat generated by the battery pack. In the present application, the flow rate of the refrigerant can be actively adjusted according to a temperature difference inside a battery, thereby realizing fine control over the temperature inside the battery pack, preventing thermal runaway of the battery pack due to non-uniform discharge, and prolonging the service life of the battery pack.

REDUNDANCY FOR BATTERY PROTECTION

Resumen de: AU2024231697A1

A battery assembly includes an enclosure including a plurality of battery cells, and a sensor within the enclosure. The sensor is configured to measure a parameter within the enclosure, and generate a sense signal. The battery assembly further includes a processor within the enclosure, wherein the processor is configured to process the sense signal and generate information associated with the sense signal. A first communication link is configured to transmit, from the enclosure to a system that is external to the enclosure, a discrete signal indicative of whether the sense signal indicates a fault condition. A second communication link is configured to transmit, from the enclosure to the system, a digital signal including the information. Thus, transmitting the discrete signal over the first communication link and the information associated with the sense signal over the second communication link provides redundancy and improves reliability of the battery assembly.

BATTERY SYSTEM AND OPERATING METHOD THEREOF

Resumen de: AU2024316702A1

In a battery system and an operating method thereof according to embodiments of the present invention, as a virtual machine recognizes in real time and executes updated control logic from a control logic generation apparatus, the updated control logic can be executed without stopping the battery management system, thereby providing software that enables highly efficient battery management and operation.

ADVANCED ANISOTROPIC 3D CURRENT COLLECTOR WITH TAILORED ELECTRON TORTUOSITY OPTIMIZED TOWARDS THE DIRECTION OF TABS

Resumen de: AU2023432067A1

Embodiments are disclosed related to a current collector comprising a porous, freestanding, three-dimensional structure and at least one current collector tab. The at least one tab and the three-dimensional structure are connected. The three- dimensional structure comprises at least one layer that is formed of a one-dimensional (1D) nanomaterial, a two-dimensional (2D) nanomaterial, or mixtures thereof, and wherein the nanomaterial in said layer is aligned towards the at least one tab.

BATTERY REUSE MANAGEMENT SYSTEM

Resumen de: US2025262982A1

A battery reuse management system includes a stationary electrical storage device and an information management apparatus. The stationary electrical storage device includes a plurality of in-vehicle battery packs at least one or some of which have been primarily used. The information management apparatus is configured to receive, from the stationary electrical storage device, battery management information on each of the plurality of in-vehicle battery packs and manage the battery management information. The battery management information includes travel distance information indicating a total travel distance that a vehicle has travelled when a corresponding one of the in-vehicle battery packs is mounted on the vehicle. The information management apparatus is configured to execute a pack identification process of identifying the in-vehicle battery pack corresponding to the battery management information based on the travel distance information.

STRUCTURAL ASSEMBLY FOR BATTERY STRUCTURE OF ELECTRIC VEHICLE

Resumen de: US2025262926A1

A structural assembly for a battery structure of a vehicle includes a lower wall and a pair of cross members. The lower wall is configured to support a cell stack. The pair of cross members are spaced apart from each other in a longitudinal direction of the vehicle. Each cross member provides lateral support for a respective side of the cell stack. Each cross member of the pair of cross members includes an outer wall, an inner wall spaced apart from the outer wall, and connecting members. The outer wall, the inner wall, and connecting members cooperate with each other to define an internal cavity.

WELDING DEVICE AND WELDING METHOD

Resumen de: US2025262688A1

A welding device and a welding method are provided. The welding device includes: a welding component, configured to perform welding on a first welding region of a to-be-welded assembly at a first welding position, where the to-be-welded assembly includes multiple welding regions; and a measurement component, configured to measure a second welding position corresponding to a second welding region of the to-be-welded assembly under a condition that the welding component performs welding on the first welding region, where the second welding region is adjacent to the first welding region. The welding component is further configured to: move from the first welding position to the second welding position, and perform welding on the second welding region at the second welding position. Based on the welding device and the welding method, welding efficiency can be improved.

PREPARATION METHOD FOR HIGH-ADSORPTION-CAPACITY GRANULAR TITANIUM-BASED LITHIUM ION SIEVE ADSORBENT

Resumen de: US2025262609A1

A preparation method for a high-adsorption-capacity granular titanium-based lithium ion sieve adsorbent includes the following steps: step 1, preparing titanium-based lithium ion sieve precursor powder; step 2, preparing high-adsorption-capacity granular titanium-based lithium ion sieve adsorbent, which includes: 1) pretreatment of precursor powder; 2) preparing a composite adhesive; 3) doping, blending and homogenizing; 4) molding and granulating; and 5) eluting and replacing. The granular adsorbent has relatively high porosity, shows good suspension property when being used for extracting lithium from salt lake brine or simulated brine, and is high in adsorption-desorption rate and high in lithium extraction activity; the lithium ion selectivity and the elution rate can reach 95% or above.

DRY NEGATIVE ELECTRODE FOR LITHIUM SECONDARY BATTERY AND A METHOD OF MANFACTURING SAME

Resumen de: US2025266452A1

Provided is a negative electrode for a lithium secondary battery, comprising a negative electrode active material and a fibrous binder. The negative electrode active material has an ID/IG value of about 0.18 or more and less than about 0.7 as a result of Raman spectroscopy analysis. The active material may be carbon-based and exhibit specific characteristics according to X-ray diffraction (XRD) analysis. The fibrous binder may be polytetrafluoroethylene (PTFE). Additionally, a method of manufacturing the negative electrode involves preparing a mixture of the active material and a binder precursor, then fiberizing the binder precursor by applying shear stress. The negative electrode may also include a conductive material. The disclosure further includes a lithium secondary battery comprising this negative electrode.

Battery Modules Comprising Immersion-Cooled Prismatic Battery Cells and Methods of Fabricating Thereof

Resumen de: US2025266528A1

Described herein are battery modules comprising immersion-cooled prismatic battery cells and methods of fabricating thereof. A battery module comprises prismatic battery cells that are stacked along the primary module axis. The module also comprises top, bottom, and side covers and two end plates, collectively enclosing these battery cells. Each cover forms two fluid channels, both fluidically open to the prismatic battery cells. Furthermore, the module comprises bus bars that interconnect the cell terminals and protrude into the fluid channels formed by the top cover. One end plate comprises two fluid ports for connecting to a thermal management system. Each port is fluidically coupled to one fluid channel, formed by the top cover, and one fluid channel, formed by the bottom cover. The other end plate fluidically couples the two fluid channels, formed by the top cover, and, separately, the two fluid channels, formed by the bottom cover.

BATTERY MODULE ASSEMBLY AND A METHOD OF ASSEMBLING SAME

Resumen de: US2025266524A1

A battery module assembly includes: a battery module formed by staking a plurality of battery cells that respectively include electrode tabs, a cooling plate positioned adjacent to the battery module, and at least one bus bar positioned on a lateral surface of the battery module and electrically connecting the plurality of battery cells to each other. and the battery module also includes a sensing cover positioned to be spaced a predetermined distance from the bus bar and covering the battery module. In particular, a heat dissipation layer is formed between the bus bar and the sensing cover, and the heat dissipation layer is positioned in contact with the cooling plate and dissipates heat occurring in the battery module and the bus bar.

SODIUM METAL BATTERY CELL AND PREPARATION METHOD THEREOF, BATTERY, AND ELECTRICAL DEVICE

Resumen de: US2025266523A1

A sodium metal battery cell and a preparation method thereof, a battery, and an electrical device. The sodium metal battery cell includes: an electrolyte solution, where the electrolyte solution includes a first additive, and the first additive includes an organic compound containing an unsaturated group; and a catalyst, where the catalyst includes at least one of a transition-metal pure element or an alloy thereof.

SECONDARY BATTERY MANUFACTURING DEVICE

Nº publicación: US2025262639A1 21/08/2025

Solicitante:

SAMSUNG SDI CO LTD [KR]
SAMSUNG SDI CO., LTD

Resumen de: US2025262639A1

A secondary battery manufacturing device is provided that includes a case portion provided with a nozzle configured to face a base material being moved by a coating roll. A cavity portion is positioned inside the case portion, with the cavity portion forming a conduit for transferring a coating solution to the nozzle. A vent portion is provided that has a first side surrounding an inlet to the cavity portion and a second side extends to the outside of the case portion to form a path for discharging gas. A filtering portion is positioned between the cavity portion and the vent portion, with the filtering portion being configured to direct gas contained in the coating solution in a direction toward the vent portion and prevent liquid of the coating solution from being directed to the vent portion.